Among textile printing and dyeing auxiliaries, film softener is one of the finishing agents.Its important function is to meet the different feel of various textiles, different styles, different requirements. Cotton, fiber, loose wool and all kinds of mixed fiber dyeing, to the softener, improve feel, eliminate static electricity, increase the fiber holding and force, improve fiber spinnability, weaving, to ensure the normal progress of textile cloth. After dyeing yarn, tube thread and sewing thread, the softener should be applied to improve the weaving performance. The sewing thread should be smooth and high temperature resistant, and the head should not stop when high-speed sewing. Woven cloth, knitted cloth dyeing printing, to the softener, to give consumers a comfortable and beautiful feeling, soft, smooth, fluffy...... ; Some of the processed garments require permanent shape and shape memory finishing, such as no-ironing, waterproof, anti-fouling, flame retardant, antibacterial sanitation, anti-ULTRAVIOLET, anti-radiation, etc. After finishing, softener should be applied to ensure that the garments have a good feel. As the rise of contemporary living standard, the use of softener has developed to family catharsis working procedure, collectively soft conditioner.